Operating voltage DC 12V±10% 2 Operating current < 100mA 3 Dimensions 120mm×78mm×22mm 4 Weight 110g 5 Ambient temperature 0 —60 6 Relative humidity 20%—80% 7 Storage 1000users 8 Card type (alternative) EM(ID) card(IC card for options) 9 Card reading distance 1－15CM